from gpanel import *

x = 100
y = 100
dir = 0
zahl = 1

vecs = [[1,0],[0,1],[-1,0],[0,-1]]

makeGPanel(0, 200, 0, 200)


def isPrime(z):
    for i in range(2,int(z**0.5)+1):
        if z%i==0:
            return False
    return True

for l in range(1,200):
    for i in range(2):
        for s in range(l):
            if isPrime(zahl):
                point(x,y)
            x+=vecs[dir][0]
            y+=vecs[dir][1]
            zahl+=1
        dir=(dir+1)%4